<template>
  <div>
    <!-- 顶部标题栏 -->
    <mt-header fixed title="vue 实战练习">
		<span slot="left" @click="backbtn"  v-show="flag">
        	<mt-button icon="back">返回</mt-button>
      	</span>
	</mt-header>

    <!-- 组件位置 -->
	<transition mode="out-in">
		<router-view></router-view>
	</transition>
		

		
    

    <!-- 底部导航 -->
    <nav class="mui-bar mui-bar-tab">
			<router-link class="mui-tab-item1" to="/home">
				<span class="mui-icon mui-icon-home"></span>
				<span class="mui-tab-label">首页</span>
			</router-link>
			<router-link class="mui-tab-item1" to="/user">
				<span class="mui-icon mui-icon-contact"></span>
				<span class="mui-tab-label">会员</span>
			</router-link>
			<router-link class="mui-tab-item1" to="/shopcar">
				<!-- {{$store.getters.getallcount}} -->
				<span class="mui-icon mui-icon-extra mui-icon-extra-cart">
					<span class="mui-badge" id="huizhang">{{this.$store.getters.updataCarNum}}</span>
				</span>
				<span class="mui-tab-label">购物车</span>
			</router-link>
			<router-link class="mui-tab-item1" to="/search">
				<span class="mui-icon mui-icon-search"></span>
				<span class="mui-tab-label">搜索</span>
			</router-link>
		</nav>
  </div>
</template>

<script>
	export default{
		data () {
			return {
				flag:false
			}
		},
		created () {
			this.flag = this.$route.path=="/home"?false:true
		},
		methods: {
			backbtn(){
				this.$router.go(-1);
			}
		},
		watch: {
			"$route.path":function (news,olds) {
				if(news=="/home"){
					this.flag = false
				}else{
					this.flag = true
				}
			}
		}
	}
</script>


<style lang="scss" scoped>
.mui-bar{
  box-shadow: 0 0 1px #ddd;
}

.mui-bar-tab .mui-tab-item1.mui-active {
    color: #007aff;
}
.mui-bar-tab .mui-tab-item1 {
    display: table-cell;
    overflow: hidden;
    width: 1%;
    height: 50px;
    text-align: center;
    vertical-align: middle;
    white-space: nowrap;
    text-overflow: ellipsis;
    color: #929292;
}
.mui-bar-tab .mui-tab-item1 .mui-icon {
    top: 3px;
    width: 24px;
    height: 24px;
    padding-top: 0;
    padding-bottom: 0;
}
.mui-bar-tab .mui-tab-item1 .mui-icon~.mui-tab-label {
    font-size: 11px;
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
}

.mint-header{
	z-index: 99;
}

v-enter{
	opacity: 0;
	transform: translateX(100%)
}
v-leave-to{
	opacity: 0;
	transform: translateX(-100%)
}
v-enter-active,v-leave-active{
	transition: opacity 1s ease;
}
</style>
